<!DOCTYPE html>
<html>
<head>
	<title>事件</title>
	<meta charset="utf-8">	
	<script src="js/event.js"></script>
	<script src="js/script.js"></script>	
</head>
<body>
    <div id= "box">
    	<button id="btn1" onclick="alert('我是amber')">按钮1</button>
    	<button id="btn2" type="button">按钮2</button>
    	<button id="btn3" type="button">按钮3</button>
    	<a href="http://www.baidu.com" id="go">百度一下</a>
    </div>

</body>
</html>